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Details for Benchmark: LY2800

N 41° 32.074 W 075° 53.975 (NAD 83)

Altitude: 1883

Coordinates may not be exact. Altitude is SCALED and location is ADJUSTED. (more info)

In WYOMING county, PA View Original Datasheet
Marker Type:
setting not listed - see description

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N 41° 32.075 W 075° 53.975

This pole was found on a cold, snowy day atop Osterhout Mountain, just after our recovery of triangulation station OSTER (LY2803). The following information was submitted to NGS:

We found what we believe to be the Pennsylvania Electric Company antenna mast sawed off several inches from the ground and with the upper portion of the pole lying nearby. It's a wooden pole approximately 20 inches in diameter at the base. Conduit straps and porcelain insulators can be found along the length of the pole, but there are no identifying numbers or other marks. The pole is directly adjacent to a metal equipment shed. WAAS-corrected coordinates obtained at the base were approximately 6.1 feet from the coordinates listed on the datasheet.

[i]NGS has marked this station officially Destroyed.[/i]


photoBase and remaining portion of pole.
photoBase of the pole adjacent to equipment shed.
N 41° 32.075 W 075° 53.975

[B]Station landmark no longer exists.[/B]

This station was located and identified but the station landmark was destroyed. The wooden antenna pole has been sawed off about 1 foot above grade and is laying on the ground nearby. There is a Penelec equipment shed next to the base of the pole (station). At the station a Garmin GPSmap76 receiver with active remote antenna was used to record WAAS-corrected coordinates which were 6.1 feet from the adjusted coordinates listed on the NGS datasheet (shed obscured a full view of sky). ~Rich in NEPA~

photoGPSr at station.
photoEyelevel view, base of wooden antenna pole.
photoOrientation view, base of pole, rear of equipment shed.
photoOrientation view, base of pole and felled section.
photoPenelec equipment shed, front view.
photoPenelec equipment shed, inside view.

Documented History (by the NGS)

1/1/1968 by CGS (FIRST OBSERVED)

Control Text

  • The horizontal coordinates were established by classical geodetic methods and adjusted by the National Geodetic Survey in January 1999.
  • The orthometric height was scaled from a topographic map.
  • The Laplace correction was computed from DEFLEC99 derived deflections.
  • The geoid height was determined by GEOID99.

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